Method setItemLayout

src/data/SeriesData.ts:1299–1307

* Set layout of single data item

(
        idx: number,
        layout: (M extends true ? Dictionary<any> : any),
        merge?: M
    )

     * Set layout of single data item
     */
    setItemLayout<M = false>(
        idx: number,
        layout: (M extends true ? Dictionary<any> : any),
        merge?: M
    ): void {
        this._itemLayouts[idx] = merge
            ? zrUtil.extend(this._itemLayouts[idx] || {}, layout)
            : layout;
    }

    /**
     * Clear all layout of single data item